Assert ROS 1 nodes' stdout. (#247)
Assert ROS 1 nodes' stdout. (#247)

As logs go out stdout and not stderr.

Signed-off-by: Michel Hidalgo <2c7f9fd20fbeb41ce8894ec4653d66fa7f3b6e1a@ekumenlabs.com>
ros2/ros1_bridge,ros2/ros1_bridge